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C compile error: “Variable-sized object may not be initialized”
... not a compile time constant).
You must manually initialize that array:
int boardAux[length][length];
memset( boardAux, 0, length*length*sizeof(int) );
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What XML parser should I use in C++? [closed]
...ow, but it's simple and obvious. It has a lot of convenience functions for converting attributes and so forth.
Writing XML is no problem in TinyXML. You just new up some objects, attach them together, send the document to a std::ostream, and everyone's happy.
There is also something of an ecosystem ...
Unexpected character encountered while parsing value
...mpfile,... that type of tmpfile is string that contain path to a file. JsonConvert.DeserializeObject takes JSON value, not file path - so it fails trying to convert something like @"c:\temp\fooo" - which is clearly not JSON.
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How to retrieve all keys (or values) from a std::map and put them into a vector?
...ionally, it moves functionality away from the call site. Which can make maintenance a little more difficult.
I'm not sure if your goal is to get the keys into a vector or print them to cout so I'm doing both. You may try something like this:
std::map<int, int> m;
std::vector<int> key, ...
How to do constructor chaining in C#
... method) to pick the overload, inside the class:
class Foo
{
private int id;
private string name;
public Foo() : this(0, "")
{
}
public Foo(int id, string name)
{
this.id = id;
this.name = name;
}
public Foo(int id) : this(id, "")
{
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How to create a date object from string in javascript [duplicate]
Having this string 30/11/2011 . I want to convert it to date object.
8 Answers
8
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Practical uses for AtomicInteger
I sort of understand that AtomicInteger and other Atomic variables allow concurrent accesses. In what cases is this class typically used though?
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C#位运算符（C#按位与、按位或 等） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...致，则运算结果的类型就是运算对象的类型。比如对两个int变量a和b做与运算，运算结果的类型还是int型。如果两个运算
对象的类型不一致，则C#要对不一致的类型进行类型转换，变成一致的类型，然后进行运算。
类型转换的...
What is the easiest way to initialize a std::vector with hardcoded elements?
...ne method would be to use the array to initialize the vector
static const int arr[] = {16,2,77,29};
vector<int> vec (arr, arr + sizeof(arr) / sizeof(arr[0]) );
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Is there a REAL performance difference between INT and VARCHAR primary keys?
Is there a measurable performance difference between using INT vs. VARCHAR as a primary key in MySQL? I'd like to use VARCHAR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables.
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